An end portion execution instrument, comprising: an end portion execution device (100), the end portion execution device (100) comprising a clip and an elastic portion (400), the elastic portion (400) being provided with a sleeve hole (430), and the elastic portion (400) being provided with a limiting protrusion (410)； a delivery device (200), the delivery device (200) comprising a sheath tube (210) and a mandrel (220), the sheath tube (210) being provided with a passage, while the mandrel (220) is arranged within the passage of the sheath tube (210)； a distal end of the mandrel (220) is provided with a connecting end (230), and the sheath tube (210) is provided with a limiting recess (240)； when the sheath tube (210) is sleeved outside of the elastic portion (400), the connecting end (230) may extend into or exit the sleeve hole (430): when the connecting end (230) extends into the sleeve hole (430), the elastic portion (400) expands outward, and the limiting protrusion (410) extends into the limiting recess (240)； when the connecting end (230) exits the sleeve hole (430), the elastic portion (400) rebounds, and the limiting protrusion (410) exits the limiting recess (240). The end portion execution device (100) may operate repeatedly, and the delivery device (200) may be used repeatedly.
